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Reference TypeConference Proceedings
Identifier8JMKD3MGPBW34M/3DJ56M2
Repositorysid.inpe.br/sibgrapi/2013/02.17.00.00
Metadatasid.inpe.br/sibgrapi/2013/02.17.00.00.25
Sitesibgrapi.sid.inpe.br
ISBN978-85-7669-273-7
Citation KeyMouraAlca:1995:CoImQu
Author1 Moura, José Eduardo Alves de
2 Alcaim, Abraham
Affiliation1 CETUC- Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)
2 CETUC- Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)
TitleCompressão de imagens através de quantização vetorial classificada e predição de médias
Conference NameSimpósio Brasileiro de Computação Gráfica e Processamento de Imagens, 8 (SIBGRAPI)
Year1995
EditorLotufo, Roberto de Alencar
Mascarenhas, Nelson Delfino d'Ávila
Book TitleAnais
Date25 - 27 out. 1995
Publisher CityPorto Alegre
PublisherSociedade Brasileira de Computação
Conference LocationSão Carlos
Keywordscompressão de imagens, quantização vetorial, predição de médias.
AbstractIn this paper we present an image compression technique which employs classified vector quantization and mean prediction. We describe a perceptual block classification algorithm with reduced computational complexity which determines the class for each image block. The block is then encoded with a vector quantization and mean prediction. We described a perceptual block classification algorithm with reduced computational complexity which determines the class for each image block. The block is then encoded with a vector quantizer designed specifically for that class. Mean prediction is used to improve the performance of smooth areas of the image at low bit rates. In this case a residual vector quantizer is employed. Run-length coding are used to reduce the bit rate required to encode the side information.
Pages73-78
Languagept
TypeCompressão de Imagens
Tertiary TypeArtigo
FormatImpresso, On-line.
Size5035 KiB
Number of Files1
Target File9 Compressao de imagens.pdf
Last Update2013:02.17.00.00.25 sid.inpe.br/banon/2001/03.30.15.38 cintiagraziele.silva@gmail.com
Metadata Last Update2013:02.17.00.00.25 sid.inpe.br/banon/2001/03.30.15.38 cintiagraziele.silva@gmail.com {D 1995}
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